#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
int main()
{
    int arr[10] = { 0 };
    printf("%d\n", sizeof(arr));
    printf("%d\n", sizeof(arr[0]));
    int a = sizeof(arr) / sizeof(arr[0]);
    printf("%d\n", a);
    return 0;
}